Improvement in tanning



UNITED STATES PATENT OEEIGEO ROBERT HARPER, OF TRUMBULL, OHIO.

IMPROVEMENT IN TANNING.

Specification forming part of Letters Patent No. 30,229, dated October 2, 1860. v

To all whom it may concern:

Be it known that 1, ROBERT HARPER, of Trumbull, in the county ot'Ashtabula and State of Ohio, have invented a new and Improved Process of Tanning Leather; and I do'hereby declare that the following is a full and exact description thereof-Jo wit, a combination of weeds, herbs, and drugs-viz, Worinseed, thoroughwort or boneset and golden rod, to be used in connection withjaponica, alum, and saltpeter. A liquor to be made by steaming the weeds together in equal proportions, then adding the japonica, alum, and saltpeter in the proportions of fifty pounds of japonica, tenpounds of alum, and one pound of saltpeter to ROBERT HARPER.

In presence of ED. A. WRIGHT, ABBY A. SPoEEoRD. 

